The invention relates to a device (1) for checking cavitation damage or cracking of a runner (7) of a hydraulic turbine, comprising a remote operating vehicle (20) or an autonomous underwater vehicle, comprising at least one camera and/or scanner, and means (24) for processing images from the camera and/or scanner to generate at least one 3D view and/or IR thermal view of at least a portion of the surface or subsurface of the runner comprising the cavitation damage or crack, the apparatus further comprises means for reconstructing a 3D view by photogrammetry and/or means for locally heating the at least one portion of the surface of the runner comprising the cavitation damage or crack, for example by induction or by a laser or by a heated water jet.

    本发明涉及一种用于检查水力涡轮的转轮(7)的空蚀损伤或裂纹的设备(1),包括远程操作载具(20)或自主水下载具,包括至少一个相机和/或扫描仪,以及用于处理来自所述相机和/或扫描仪的图像以生成包括所述空蚀损伤或裂纹的所述转轮的表面或亚表面的至少一部分的至少一个3D视图和/或IR热视图的装置(24),所述设备还包括用于通过摄影测量重建3D视图的装置和/或用于例如通过感应或通过激光器或通过受热水射流来局部加热包括所述空蚀损伤或裂纹的所述转轮的表面的所述至少一个部分的装置。


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    Titel :

    Method and apparatus for inspecting hydraulic turbine runner


    Weitere Titelangaben:

    用于检查水力涡轮转轮的方法和设备


    Beteiligte:
    O P R J TAYLOR (Autor:in) / TOYLE CHARLES B (Autor:in) / A H MICELI (Autor:in) / PARATICH FRANCIS (Autor:in) / REUTER VOLKER (Autor:in)

    Erscheinungsdatum :

    2022-11-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    F03B MACHINES OR ENGINES FOR LIQUIDS , Kraft- und Arbeitsmaschinen oder Kraftmaschinen für Flüssigkeiten / B63G OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS , Angriffs- oder Verteidigungsanordnungen auf Schiffen / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



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